root@brytbas:~# for i in /sys/class/block/sdb/queue/iosched/* /sys/class/block/sdb/queue/*; do echo $i $(cat $i); done
/sys/class/block/sdb/queue/iosched/fifo_batch 16
/sys/class/block/sdb/queue/iosched/front_merges 1
/sys/class/block/sdb/queue/iosched/read_expire 500
/sys/class/block/sdb/queue/iosched/write_expire 5000
/sys/class/block/sdb/queue/iosched/writes_starved 10
/sys/class/block/sdb/queue/add_random 1
/sys/class/block/sdb/queue/discard_granularity 0
/sys/class/block/sdb/queue/discard_max_bytes 0
/sys/class/block/sdb/queue/discard_zeroes_data 0
/sys/class/block/sdb/queue/hw_sector_size 512
cat: /sys/class/block/sdb/queue/iosched: Is a directory
/sys/class/block/sdb/queue/iosched
/sys/class/block/sdb/queue/iostats 1
/sys/class/block/sdb/queue/logical_block_size 512
/sys/class/block/sdb/queue/max_hw_sectors_kb 4096
/sys/class/block/sdb/queue/max_integrity_segments 0
/sys/class/block/sdb/queue/max_sectors_kb 512
/sys/class/block/sdb/queue/max_segments 543
/sys/class/block/sdb/queue/max_segment_size 65536
/sys/class/block/sdb/queue/minimum_io_size 262144
/sys/class/block/sdb/queue/nomerges 0
/sys/class/block/sdb/queue/nr_requests 128
/sys/class/block/sdb/queue/optimal_io_size 2883584
/sys/class/block/sdb/queue/physical_block_size 512
/sys/class/block/sdb/queue/read_ahead_kb 16384
/sys/class/block/sdb/queue/rotational 1
/sys/class/block/sdb/queue/rq_affinity 1
/sys/class/block/sdb/queue/scheduler noop [deadline] cfq
/sys/class/block/sdb/queue/write_same_max_bytes 0
root@brytbas:~# uname -a
Linux brytbas.hpc2n.umu.se 3.18.21-031821-generic #201509020527 SMP Wed Sep 2 05:29:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
root@brytbas:~#